*{
	margin: 0;
	padding: 0;
}

h1{
	text-align: center;
	margin-top: 15px;
}

#zhiquan div{
	margin-top: 40px;
}
span{
	font-size: 2em;
}
input{
	line-height: 50px;
	height: 50px;
	width: 50%;
	font-size: 2em;
	color: red;
}

.zhiliang{
	line-height: 50px;
	height: 50px;
	width: 15%;
	font-size: 2em;
	color: red;
	display: inline-block;
}

button{
	margin-top: 80px;
	width: 300px;
	height: 60px;
	margin-left: 80px;
	font-size: 1.5em;
}